DrJack's BLIPSPOT for: TUE 07/21 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 degF RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 76.6 - - 75.2 - - - Temp@2m Sfc.Heating - - - - - - 106 - - 29 - - - Sfc.Heating BL Depth - - - - - - 2139 - - 260 - - - BL Depth Hcrit - - - - - - 3472 - - 2801 - - - Hcrit BL Top - - - - - - 4697 - - 2818 - - - BL Top Hgt.Variab. - - - - - - 2120 - - 4155 - - - Hgt.Variab. W* - - - - - - 266 - - 92 - - - W* B/S - - - - - - 2 - - 2 - - - B/S BL Wind - - - - - - 19 - - 10 - - - BL Wind Direction - - - - - - 235 - - 244 - - - Direction Wind Shear - - - - - - 13 - - 0 - - - Wind Shear Max.Converg - - - - - - -7 - - 0 - - - Max.Converg CLOUDpotent - - - - - - 883 - - -501 - - - CLOUDpotentl sfcLCL - - - - - - 3814 - - 3319 - - - sfcLCL ODpotential - - - - - - -388 - - -1414 - - - ODpotential blCL - - - - - - 5085 - - 4232 - - - blCL maxRH - - - - - - 100 - - 98 - - - maxRH CAPE - - - - - - 1680 - - 1850 - - - CAPE Temp@2m - - - - - - 76.6 - - 75.2 - - - Temp@2m DewPt@2m - - - - - - 68.8 - - 69.5 - - - DewPt@2m Temp@Bot - - - - - - 75.5 - - 74.6 - - - Temp@Bot DewPt@Bot - - - - - - 68.1 - - 69.0 - - - DewPt@bot Sfc.Heating - - - - - - 106 - - 29 - - - Sfc.Heating BL Depth - - - - - - 2139 - - 260 - - - BL Depth EXPERIMENT - - - - - - 101 - - 92 - - - EXPERIMENT EXPERIMENT2 - - - - - - 16 - - 17 - - - EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 99331 45 098 28 093 99331 91819 37 092 31 091 91819 86036 30 088 32 086 86036 81249 26 089 30 087 81249 77122 21 101 24 089 77122 73480 17 097 19 094 73480 70187 11 110 15 095 70187 67154 12 098 9 063 67154 64343 12 099 3 116 64343 61634 14 076 6 089 61634 58847 12 349 12 328 58847 56002 19 282 24 290 56002 53298 29 285 31 266 53298 50878 37 274 50 288 50878 48733 47 291 57 285 48733 46784 65 296 55 283 46784 44981 65 291 62 295 44981 43306 59 285 66 298 43306 41735 55 279 68 299 41735 40253 52 275 67 296 40253 38851 51 276 62 286 38851 37494 53 279 58 278 37494 36117 54 283 55 275 36117 34691 54 285 50 275 34691 33220 52 283 48 274 33220 31691 50 281 47 276 31691 30094 49 280 48 281 30094 28429 48 278 49 282 28429 26699 43 274 39 270 26699 24907 33 252 36 265 24907 23058 33 253 39 267 23058 21147 33 254 38 260 21147 19169 32 247 37 254 19169 17165 32 245 34 247 17165 15247 29 247 33 252 15247 13506 26 251 32 255 13506 11959 25 251 32 249 11959 10580 26 248 32 248 10580 9344 27 243 31 246 9344 8240 28 241 31 241 8240 7257 27 239 30 236 7257 6386 27 236 29 235 6386 5610 27 236 27 236 5610 4910 26*235 25 239 4910 4288 24*235 24 240 4288 3766 21 235 22 241 3766 3363 20 235 20 242 3363 3085 18 235 17 243 3085 2915 15 235 15*244 2915 2818 11 235 10*244 2818 PARAMETER KEY: (basic parameter information is provided at http://www.drjack.info/BLIP/INFO/basic_parameters.html) (more complete parameter descriptions are at http://www.drjack.info/BLIP/RUC/INFO/parameters.html) (additional help is at http://www.drjack.info/BLIP/INFO/index.html, e.g. "For NEW USERS" section) --------------------------------------------------------------------------------------------------- Update Time = UTC Time of BLIPSPOT calculation FCST PERIOD = Hours from model initialization time Temp@2m = Temperature at 2m AGL [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BL Top = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab = Thermal Height Variability (difference between TI=+4{F} & TI=0 Heights) [ft] W* = Thermal Updraft Velocity (subtract glider sink rate to get vario) [fpm] B/S = Buoyancy/Shear Ratio (thermals may be unworkable if 5 or less) BL Wind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [degTrue] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] (note: BLIPMAPs provide better evaluation since convergence lines are usually mobile CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & sfcLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blCL if positive (difference between H(TI=0) & blCL) [ft] bLCL = Base of Extensive Clouds, if ODpotential>0 (bl CL = Condensation Level based upon BL humidity) [ftMSL] maxRH = Maximum Relative Humidity in BL [%] CAPE = Convective Available Potential Energy [J/kg] Temp@2m = Temperature at 2m AGL [F] DewPt@2m = Dew Point Temp. at 2m AGL [F] Temp@Bot = Temperature at 16m AGL (bottom of grid) [F] (intended for DrJack's use) DewPt@Bot = Dew Point Temp. at 16m AGL (bottom of grid) [F] (intended for DrJack's use) Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] EXPERIMENT = Mystery variable for test purposes (intended for DrJack's use) * = Indicates BL Top (TI=0 Height) on profiles Note: printed heights are for 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography